20051+2039 BLL 44 AD (HD 190606)

 
 
20h 05m 04.91s +20 38' 53.3" P.A. 95.00 sep 75.3 mag 8.75,12.20 Sp C6II
 
 
Coord 2000 20051+2039 Discov num BLL  44 Comp AD Coord arcsec 2000 20 05 04.91 +20 38 53.3
Date first 1879 Date last 2015 Obs 9
Pa first 96 Pa last 95.2 P.A. Now (θ) 95.2°
Sep first 77.1 Sep last 75.313 Sep. Now (ρ) 75.313"
Mag pri 8.75 Mag sec 12.20 delta mag (ΔM) 3.45 Spectral class C6II (red carbon star)
Pri motion ra +001 Sec motion ra -003
Pri motion dec -001 Sec motion dec +000
Notes N (See Notes)
rPM=1.374
This double is not physical.
 
 
20051+2039 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 05 05 +20 38 53 BUP 203 AB 2015 7 247 13.4 8.75 13.50 4.75
Show 20 05 05 +20 38 53 BUP 203 AC 2015 8 102 59.4 8.75 12.97 4.22
Show HD 190606 20 05 05 +20 38 53 BLL 44 AD 2015 9 95 75.3 8.75 12.20 3.45 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 190606 Constellation Sagitta HIP 98909 Tycho2 1629-01033-1
Gaia DR2 1823613843707604736 HD 190606 BD BD+20 4417